Product Description Top loading strings for quick and easy string changes. Top mounted Stringing - Strings secured at back of bridge. Well plated and robust for better sustain and punch. Sturdy and robust steel plate for increased resonance & Sustain. Well plated and robust for better sustain and punch. Height adjustable and Strings "top load" from the back of the bridge plate. Material: Iron and Zinc alloy. Color:Black Size:As the picture show Package Contents: 1 x Bridge 1 x Allen wrenches 7 x screws Note: Due to manual measurement, there will be a 1-2mm error in the size. Due to the surrounding environment or lighting. There will be color difference between the picture and the real object. Hope you understand. Thank you.